Listen Detecotor for Engineer Water Leakage Oil Leaking Hearing with Headphone for Repair High Strength Wall Microphone Voice

100% Positive feedback, Buy with confidence from an trusted experienced seller

All item are new and not open to offers. May do a deal if buying multiple items but this item is priced to sell and will not be discounted further

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Specification:

1. Cunsumption current:10mA

2. Usage battery:9v batteries

3. Four sections audioes choicde

A section 200Hz

B section 800Hz

C section 1200Hz

D section 2000Hz

4. Measuring element sensitivity: -70db

5. Highest audio enlargement multiple: 20000X

6. Penetrate sex:Cement wall,steel wall,wood wall,Iron wall,glas,cavity brick

7. Monitor style:Earphone, can outside meet speaker

8. Record style:Have export hole can outside meet record

9. Working temperature: -20°-50°

10. Size: about 43 * 36 mm/ 1.69 * 1.42 inches



Packing List:

1 x Ear Listen Through Wall

1 x Earphone

1 x USB Cable